forked from TartanLlama/expected
0ca73ee30e
🎨 Cleanup include path for catch2 ✨ Add basic .deb generation support WiX and RPM support is still needed (if even desired?) ⬆️ Upgrade minimum CMake version to 3.14 ⬆️ Upgrade Catch to Catch v2.9.2 📌 Pin Catch to v2.9.2
135 lines
4.2 KiB
C++
135 lines
4.2 KiB
C++
#include <catch2/catch.hpp>
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#include <tl/expected.hpp>
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#include <type_traits>
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#include <vector>
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#include <string>
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struct takes_init_and_variadic {
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std::vector<int> v;
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std::tuple<int, int> t;
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template <class... Args>
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takes_init_and_variadic(std::initializer_list<int> l, Args &&... args)
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: v(l), t(std::forward<Args>(args)...) {}
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};
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TEST_CASE("Constructors", "[constructors]") {
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{
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tl::expected<int,int> e;
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REQUIRE(e);
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REQUIRE(e == 0);
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}
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{
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tl::expected<int,int> e = tl::make_unexpected(0);
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REQUIRE(!e);
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REQUIRE(e.error() == 0);
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}
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{
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tl::expected<int,int> e (tl::unexpect, 0);
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REQUIRE(!e);
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REQUIRE(e.error() == 0);
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}
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{
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tl::expected<int,int> e (tl::in_place, 42);
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REQUIRE(e);
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REQUIRE(e == 42);
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}
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{
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tl::expected<std::vector<int>,int> e (tl::in_place, {0,1});
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REQUIRE(e);
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REQUIRE((*e)[0] == 0);
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REQUIRE((*e)[1] == 1);
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}
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{
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tl::expected<std::tuple<int,int>,int> e (tl::in_place, 0, 1);
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REQUIRE(e);
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REQUIRE(std::get<0>(*e) == 0);
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REQUIRE(std::get<1>(*e) == 1);
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}
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{
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tl::expected<takes_init_and_variadic,int> e (tl::in_place, {0,1}, 2, 3);
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REQUIRE(e);
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REQUIRE(e->v[0] == 0);
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REQUIRE(e->v[1] == 1);
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REQUIRE(std::get<0>(e->t) == 2);
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REQUIRE(std::get<1>(e->t) == 3);
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}
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{
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tl::expected<int, int> e;
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REQUIRE(std::is_default_constructible<decltype(e)>::value);
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REQUIRE(std::is_copy_constructible<decltype(e)>::value);
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REQUIRE(std::is_move_constructible<decltype(e)>::value);
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REQUIRE(std::is_copy_assignable<decltype(e)>::value);
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REQUIRE(std::is_move_assignable<decltype(e)>::value);
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REQUIRE(TL_EXPECTED_IS_TRIVIALLY_COPY_CONSTRUCTIBLE(decltype(e))::value);
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REQUIRE(TL_EXPECTED_IS_TRIVIALLY_COPY_ASSIGNABLE(decltype(e))::value);
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# if !defined(TL_EXPECTED_GCC49)
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REQUIRE(std::is_trivially_move_constructible<decltype(e)>::value);
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REQUIRE(std::is_trivially_move_assignable<decltype(e)>::value);
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# endif
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}
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{
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tl::expected<int, std::string> e;
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REQUIRE(std::is_default_constructible<decltype(e)>::value);
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REQUIRE(std::is_copy_constructible<decltype(e)>::value);
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REQUIRE(std::is_move_constructible<decltype(e)>::value);
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REQUIRE(std::is_copy_assignable<decltype(e)>::value);
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REQUIRE(std::is_move_assignable<decltype(e)>::value);
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REQUIRE(!TL_EXPECTED_IS_TRIVIALLY_COPY_CONSTRUCTIBLE(decltype(e))::value);
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REQUIRE(!TL_EXPECTED_IS_TRIVIALLY_COPY_ASSIGNABLE(decltype(e))::value);
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# if !defined(TL_EXPECTED_GCC49)
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REQUIRE(!std::is_trivially_move_constructible<decltype(e)>::value);
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REQUIRE(!std::is_trivially_move_assignable<decltype(e)>::value);
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# endif
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}
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{
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tl::expected<std::string, int> e;
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REQUIRE(std::is_default_constructible<decltype(e)>::value);
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REQUIRE(std::is_copy_constructible<decltype(e)>::value);
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REQUIRE(std::is_move_constructible<decltype(e)>::value);
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REQUIRE(std::is_copy_assignable<decltype(e)>::value);
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REQUIRE(std::is_move_assignable<decltype(e)>::value);
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REQUIRE(!TL_EXPECTED_IS_TRIVIALLY_COPY_CONSTRUCTIBLE(decltype(e))::value);
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REQUIRE(!TL_EXPECTED_IS_TRIVIALLY_COPY_ASSIGNABLE(decltype(e))::value);
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# if !defined(TL_EXPECTED_GCC49)
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REQUIRE(!std::is_trivially_move_constructible<decltype(e)>::value);
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REQUIRE(!std::is_trivially_move_assignable<decltype(e)>::value);
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# endif
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}
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{
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tl::expected<std::string, std::string> e;
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REQUIRE(std::is_default_constructible<decltype(e)>::value);
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REQUIRE(std::is_copy_constructible<decltype(e)>::value);
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REQUIRE(std::is_move_constructible<decltype(e)>::value);
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REQUIRE(std::is_copy_assignable<decltype(e)>::value);
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REQUIRE(std::is_move_assignable<decltype(e)>::value);
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REQUIRE(!TL_EXPECTED_IS_TRIVIALLY_COPY_CONSTRUCTIBLE(decltype(e))::value);
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REQUIRE(!TL_EXPECTED_IS_TRIVIALLY_COPY_ASSIGNABLE(decltype(e))::value);
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# if !defined(TL_EXPECTED_GCC49)
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REQUIRE(!std::is_trivially_move_constructible<decltype(e)>::value);
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REQUIRE(!std::is_trivially_move_assignable<decltype(e)>::value);
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# endif
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}
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{
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tl::expected<void,int> e;
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REQUIRE(e);
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}
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{
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tl::expected<void,int> e (tl::unexpect, 42);
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REQUIRE(!e);
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REQUIRE(e.error() == 42);
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}
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}
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